1030-算法书2-5同上.cpp

#include<stdio.h>
int main(){
   for (int x = 1;  ; x++)
   {
   	int n = x*x;
   	if(n < 1000)
   	 continue;
   	if(n > 9999)
   	 break;
   	int hi = n/ 100;
   	int lo = n% 100;
   	if(hi/10==hi%10 && lo/10 == lo%10)
   	printf("%d\n",n);
   	
   }
   return 0;
}